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import QtQuick 1.1

Item {
    id: root

    property real dimm: 0.8
    property int animationDuration: 500
    property Item visualParent: null
    property bool platformInverted: false // supports inverted, but looks the same

    signal clicked

    anchors.fill: parent
    state: "Hidden"

    Rectangle {
        id: fader

        anchors.fill: parent
        opacity: 0.0
        color: "black"

        //eat mouse events
        MouseArea {
            id: mouseEventEater
            anchors.fill: parent
            enabled: fader.opacity != 0.0
            onClicked: root.clicked()
        }
    }

    states: [
        State {
            name: "Visible"
            PropertyChanges { target: fader; opacity: dimm }
        },
        State {
            name: "Hidden"
            PropertyChanges { target: fader; opacity: 0.0 }
        }
    ]

    transitions: [
        Transition {
            from: "Hidden"; to: "Visible"
            NumberAnimation { properties: "opacity"; duration: animationDuration; easing.type: Easing.Linear }
        },
        Transition {
            from: "Visible"; to: "Hidden"
            NumberAnimation { properties: "opacity"; duration: animationDuration; easing.type: Easing.Linear }
        }
    ]
}
